#if 0
#include "stdio.h"

int main(){
    int x = 123, y = 0123, z = 0x123;
    printf("%d %d %d\n",x,y,z);
    printf("%o %o %o\n",x,y,z);
    printf("%x %x %x\n",x,y,z);
    return 0;
}
#endif